What is anaerobic digestion?

Anaerobic digestion is the process in which organic materials such as food or animal waste are broken down by microorganisms, in an ananerobic (oxygen free) environment – the digestor. This process produces biogas for combustion in a Combined Heat and Power (CHP) unit or boiler or can be enriched with propane to produce biomethane. As a by-product of digestion, digestate is also produced which is a natural biofertilizer and can be spread back onto the land as it is rich in nutrients.

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